#VU44112 Input validation error in Nextcloud iOS App - CVE-2012-0339

Vulnerability identifier: #VU44112

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2012-0339

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Nextcloud iOS App
Other software / Other software solutions

Vendor: Nextcloud

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

Cisco IOS 12.2 through 12.4 and 15.0 does not recognize the vrf-also keyword during enforcement of access-class commands, which allows remote attackers to establish TELNET connections from arbitrary source IP addresses via a standard TELNET client, aka Bug ID CSCsi77774.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Nextcloud iOS App: 12.2 - 15.0

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External links
https://www.cisco.com/en/US/docs/switches/lan/catalyst6500/ios/12.2SXF/native/release/notes/caveats_SXF_rebuilds.html
https://www.securitytracker.com/id?1027005

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.